Check the listing for details. RAM Mount Magnetic Power Plate Holder / Cradle for Radar Detectors. Condition: New. Listed at 20.99 USD. Features: ---Designed to hold a variety of devices including radar detectors and cellphones ---Composite cradle 3.125" wide x 4" long ---Two powerful rare earth magnets fit into slots in the cradle * ---Adhesive metal plate attaches to your device and fits into recessed area of cradle creating a strong magnetic hold and keeps your device in place** ---Includes hardware to attach cradle to a RAM round adapter ---Suitable for on and off road uses ---Genuine RAM Mount: Part # RAP-300-1U Manufacturer's lifetime warranty Made in the USA ** Not for use with devices with a hard drive. Magnets may damage the hard drive * Requires a RAM round adapter with ball (RAM-B-202U or RAM-202U) to hold the magnets in place and attach to a RAM Mount...available in our eBay Store.